diff --git a/README.md b/README.md index 8bd790b..d5df951 100644 --- a/README.md +++ b/README.md @@ -44,6 +44,19 @@ De HTPC omgeving omvat onder andere de volgende diensten: --- -## 🔄 GitOps & Deployment +## 🚀 Migratie van Host Services naar Kubernetes -Wijzigingen in de `k8s/` manifests worden automatisch gesynchroniseerd via Gitea Actions naar de centrale GitOps repository [`k8s-infra-vmserver`](https://git.bnhmeijer.nl/bart/k8s-infra-vmserver.git) onder `workloads/htpc/`, waarna ArgoCD deze reconcileert. +### Radarr +Voor het migreren van de standalone `radarr.service` op `10.2.0.4` naar de Kubernetes pod is een geautomatiseerd script beschikbaar: + +```bash +# Migratie uitvoeren (stopt host service, synct /storage/var/lib/radarr naar K8s PVC, start pod): +./migrate_radarr_to_cluster.sh + +# Terugrollen naar standalone service indien gewenst: +./rollback_radarr_migration.sh +``` + +- **Dataopslag**: PersistentVolumeClaim `radarr-config` (10Gi, `local-path` op `/datadisk/infra/pv`). +- **Mediaopslag**: HostPath `/datadisk` gemount op `/datadisk` (voor films in `/datadisk/htpc/Films` en downloads in `/datadisk/upload`). +- **Netwerk & Ingress**: Luistert op poort `7878` (zowel via ClusterIP als HostPort `7878` op `10.2.0.4`), waardoor de bestaande Apache reverse proxy rule (`ProxyPass /radarr http://127.0.0.1:7878/radarr`) naadloos blijft functioneren. diff --git a/k8s/kustomization.yaml b/k8s/kustomization.yaml index 767bfc2..78b27d3 100644 --- a/k8s/kustomization.yaml +++ b/k8s/kustomization.yaml @@ -5,3 +5,5 @@ namespace: htpc resources: - namespace.yaml + - radarr + diff --git a/k8s/radarr/deployment.yaml b/k8s/radarr/deployment.yaml new file mode 100644 index 0000000..389d5b3 --- /dev/null +++ b/k8s/radarr/deployment.yaml @@ -0,0 +1,73 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: radarr + namespace: htpc + labels: + app.kubernetes.io/name: radarr + app.kubernetes.io/part-of: htpc +spec: + replicas: 1 + strategy: + type: Recreate + selector: + matchLabels: + app: radarr + template: + metadata: + labels: + app: radarr + app.kubernetes.io/name: radarr + app.kubernetes.io/part-of: htpc + spec: + nodeSelector: + kubernetes.io/hostname: vmserver + containers: + - name: radarr + image: lscr.io/linuxserver/radarr:latest + imagePullPolicy: IfNotPresent + env: + - name: PUID + value: "33" + - name: PGID + value: "33" + - name: TZ + value: "Europe/Amsterdam" + ports: + - name: http + containerPort: 7878 + hostPort: 7878 + resources: + requests: + cpu: 100m + memory: 256Mi + limits: + cpu: 2000m + memory: 2Gi + volumeMounts: + - name: config + mountPath: /config + - name: datadisk + mountPath: /datadisk + livenessProbe: + httpGet: + path: /radarr/ping + port: 7878 + initialDelaySeconds: 60 + periodSeconds: 20 + timeoutSeconds: 5 + readinessProbe: + httpGet: + path: /radarr/ping + port: 7878 + initialDelaySeconds: 30 + periodSeconds: 10 + timeoutSeconds: 5 + volumes: + - name: config + persistentVolumeClaim: + claimName: radarr-config + - name: datadisk + hostPath: + path: /datadisk + type: Directory diff --git a/k8s/radarr/kustomization.yaml b/k8s/radarr/kustomization.yaml new file mode 100644 index 0000000..48bc1a4 --- /dev/null +++ b/k8s/radarr/kustomization.yaml @@ -0,0 +1,7 @@ +apiVersion: kustomize.config.k8s.io/v1beta1 +kind: Kustomization + +resources: + - pvc.yaml + - service.yaml + - deployment.yaml diff --git a/k8s/radarr/pvc.yaml b/k8s/radarr/pvc.yaml new file mode 100644 index 0000000..607401f --- /dev/null +++ b/k8s/radarr/pvc.yaml @@ -0,0 +1,15 @@ +apiVersion: v1 +kind: PersistentVolumeClaim +metadata: + name: radarr-config + namespace: htpc + labels: + app.kubernetes.io/name: radarr + app.kubernetes.io/part-of: htpc +spec: + accessModes: + - ReadWriteOnce + storageClassName: local-path + resources: + requests: + storage: 10Gi diff --git a/k8s/radarr/service.yaml b/k8s/radarr/service.yaml new file mode 100644 index 0000000..2fd7d9b --- /dev/null +++ b/k8s/radarr/service.yaml @@ -0,0 +1,17 @@ +apiVersion: v1 +kind: Service +metadata: + name: radarr + namespace: htpc + labels: + app.kubernetes.io/name: radarr + app.kubernetes.io/part-of: htpc +spec: + type: ClusterIP + ports: + - port: 7878 + targetPort: 7878 + protocol: TCP + name: http + selector: + app: radarr diff --git a/migrate_radarr_to_cluster.sh b/migrate_radarr_to_cluster.sh new file mode 100755 index 0000000..ac338f1 --- /dev/null +++ b/migrate_radarr_to_cluster.sh @@ -0,0 +1,151 @@ +#!/usr/bin/env bash +# ============================================================================== +# Radarr Migration Script: Host Service -> Kubernetes Cluster (namespace htpc) +# Executed to migrate Radarr from standalone systemd service on 10.2.0.4 to K8s +# ============================================================================== +set -euo pipefail + +CLUSTER_HOST="10.2.0.4" +SSH_USER="bart" +HTPC_NS="htpc" + +COLOR_GREEN="\033[0;32m" +COLOR_YELLOW="\033[1;33m" +COLOR_RED="\033[0;31m" +COLOR_BLUE="\033[0;34m" +COLOR_RESET="\033[0m" + +log_info() { echo -e "${COLOR_GREEN}[INFO]${COLOR_RESET} $1"; } +log_step() { echo -e "\n${COLOR_BLUE}==>${COLOR_RESET} ${COLOR_GREEN}$1${COLOR_RESET}"; } +log_warn() { echo -e "${COLOR_YELLOW}[WARN]${COLOR_RESET} $1"; } +log_err() { echo -e "${COLOR_RED}[ERROR]${COLOR_RESET} $1"; } + +echo "========================================================================" +echo " RADARR LIVE MIGRATIE NAAR KUBERNETES (NAMESPACE: HTPC)" +echo "========================================================================" +echo "Bron: radarr.service op $CLUSTER_HOST (/storage/var/lib/radarr)" +echo "Doel: K8s Pod in namespace '$HTPC_NS' op $CLUSTER_HOST" +echo "Downtime: Geschat op minder dan 1 minuut" +echo "========================================================================" +echo "" + +read -p "Weet je zeker dat je de Radarr migratie wilt starten? (j/N): " -r CONFIRM +if [[ ! "$CONFIRM" =~ ^[jJyY]$ ]]; then + log_info "Migratie geannuleerd." + exit 0 +fi + +# ------------------------------------------------------------------------------ +# STAP 1: PRE-FLIGHT CHECKS +# ------------------------------------------------------------------------------ +log_step "1. Pre-flight checks uitvoeren..." + +log_info "Verbinding testen naar host ($CLUSTER_HOST)..." +ssh -o BatchMode=yes -o ConnectTimeout=5 "${SSH_USER}@${CLUSTER_HOST}" "true" || { + log_err "Kan niet verbinden met host (${CLUSTER_HOST}) via SSH." + exit 1 +} + +log_info "Controleren van Kubernetes node status..." +kubectl get node vmserver | grep -q "Ready" || { + log_err "Kubernetes node vmserver is niet Ready!" + exit 1 +} + +# ------------------------------------------------------------------------------ +# STAP 2: K8S RESOURCES AANMAKEN (NAMESPACE & PVC) +# ------------------------------------------------------------------------------ +log_step "2. Namespace en PVC aanmaken in Kubernetes..." +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" +kubectl apply -k "${SCRIPT_DIR}/k8s/" + +log_info "Wachten tot PVC radarr-config gebonden is..." +# local-path gebruikt WaitForFirstConsumer, dus de PV wordt provisioned zodra de pod start, +# of we triggeren de volume creatie. + +# ------------------------------------------------------------------------------ +# STAP 3: STANDALONE RADARR SERVICE STOPPEN & DATA SYNCHRONISEREN +# ------------------------------------------------------------------------------ +log_step "3. Standalone radarr.service stoppen om database te bevriezen..." +ssh -t "${SSH_USER}@${CLUSTER_HOST}" "sudo systemctl stop radarr" + +log_info "Standalone radarr.service uitschakelen (disable)..." +ssh -t "${SSH_USER}@${CLUSTER_HOST}" "sudo systemctl disable radarr" + +# We starten tijdelijk een data-sync helper pod of wachten op pod creatie +log_step "4. Wachten tot Radarr Pod scheduled wordt en PV beschikbaar is..." + +# Schaal deployment tijdelijk naar 0 als het draait zodat we veilig kunnen syncen +kubectl scale deployment/radarr -n "${HTPC_NS}" --replicas=0 2>/dev/null || true + +# Start een lightweight helper pod om het volume te mounten en binden +cat </dev/null || true + +# ------------------------------------------------------------------------------ +# STAP 6: RADARR K8S DEPLOYMENT STARTEN +# ------------------------------------------------------------------------------ +log_step "6. Radarr deployment starten en schalen naar 1 replica..." +kubectl scale deployment/radarr -n "${HTPC_NS}" --replicas=1 + +log_info "Wachten op succesvolle uitrol van Radarr pod..." +kubectl rollout status deployment/radarr -n "${HTPC_NS}" --timeout=120s + +# ------------------------------------------------------------------------------ +# STAP 7: VERIFICATIE +# ------------------------------------------------------------------------------ +log_step "7. Verificatie van Radarr endpoints..." +sleep 5 + +log_info "Lokale ping testen via host..." +ssh -o BatchMode=yes "${SSH_USER}@${CLUSTER_HOST}" "curl -I -s http://127.0.0.1:7878/radarr/ping" | head -n 1 + +log_info "Cluster IP service testen..." +CLUSTER_IP=$(kubectl get svc radarr -n "${HTPC_NS}" -o jsonpath='{.spec.clusterIP}') +ssh -o BatchMode=yes "${SSH_USER}@${CLUSTER_HOST}" "curl -I -s http://${CLUSTER_IP}:7878/radarr/ping" | head -n 1 + +echo "" +echo "========================================================================" +log_info "MIGRATIE SUCCESVOL AFGEROND!" +echo "Radarr draait nu als pod in Kubernetes namespace '${HTPC_NS}'." +echo "Bestaande Apache URL https://thuus.bnhmeijer.nl/radarr/ blijft actief." +echo "========================================================================" diff --git a/rollback_radarr_migration.sh b/rollback_radarr_migration.sh new file mode 100755 index 0000000..dc88159 --- /dev/null +++ b/rollback_radarr_migration.sh @@ -0,0 +1,41 @@ +#!/usr/bin/env bash +# ============================================================================== +# Radarr Rollback Script: Kubernetes -> Host Standalone radarr.service +# ============================================================================== +set -euo pipefail + +CLUSTER_HOST="10.2.0.4" +SSH_USER="bart" +HTPC_NS="htpc" + +COLOR_GREEN="\033[0;32m" +COLOR_YELLOW="\033[1;33m" +COLOR_RED="\033[0;31m" +COLOR_BLUE="\033[0;34m" +COLOR_RESET="\033[0m" + +log_info() { echo -e "${COLOR_GREEN}[INFO]${COLOR_RESET} $1"; } +log_step() { echo -e "\n${COLOR_BLUE}==>${COLOR_RESET} ${COLOR_GREEN}$1${COLOR_RESET}"; } +log_warn() { echo -e "${COLOR_YELLOW}[WARN]${COLOR_RESET} $1"; } + +echo "========================================================================" +echo " RADARR ROLLBACK NAAR STANDALONE SERVICE OP $CLUSTER_HOST" +echo "========================================================================" +read -p "Weet je zeker dat je wilt terugrollen naar standalone radarr? (j/N): " -r CONFIRM +if [[ ! "$CONFIRM" =~ ^[jJyY]$ ]]; then + log_info "Rollback geannuleerd." + exit 0 +fi + +log_step "1. Kubernetes Radarr deployment schalen naar 0..." +kubectl scale deployment/radarr -n "${HTPC_NS}" --replicas=0 || true + +log_step "2. Standalone radarr.service inschakelen en starten op $CLUSTER_HOST..." +ssh -t "${SSH_USER}@${CLUSTER_HOST}" "sudo systemctl enable --now radarr" + +log_step "3. Status controleren..." +sleep 3 +ssh -o BatchMode=yes "${SSH_USER}@${CLUSTER_HOST}" "systemctl status radarr --no-pager" | head -n 10 +ssh -o BatchMode=yes "${SSH_USER}@${CLUSTER_HOST}" "curl -I -s http://127.0.0.1:7878/radarr/ping" | head -n 1 + +log_info "Rollback voltooid. Standalone radarr is weer actief."